objects/dcvalues.c

   1 /*
   2  * DC device-independent Get/SetXXX functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   8
   9 #include "gdi.h"
  10 #include "metafile.h"
  11
  12   /* Default DC values */
  13 const WIN_DC_INFO DCVAL_defaultValues =
  14 {
  15     0,                      /* flags */
  16     NULL,                   /* devCaps */
  17     0,                      /* hMetaFile */
  18     0,                      /* hClipRgn */
  19     0,                      /* hVisRgn */
  20     0,                      /* hGCClipRgn */
  21     STOCK_BLACK_PEN,        /* hPen */
  22     STOCK_WHITE_BRUSH,      /* hBrush */
  23     STOCK_SYSTEM_FONT,      /* hFont */
  24     0,                      /* hBitmap */
  25     0,                      /* hDevice */
  26     STOCK_DEFAULT_PALETTE,  /* hPalette */
  27     R2_COPYPEN,             /* ROPmode */
  28     ALTERNATE,              /* polyFillMode */
  29     BLACKONWHITE,           /* stretchBltMode */
  30     ABSOLUTE,               /* relAbsMode */
  31     OPAQUE,                 /* backgroundMode */
  32     RGB( 255, 255, 255 ),   /* backgroundColor */
  33     RGB( 0, 0, 0 ),         /* textColor */
  34     0,                      /* backgroundPixel */
  35     0,                      /* textPixel */
  36     0,                      /* brushOrgX */
  37     0,                      /* brushOrgY */
  38     TA_LEFT | TA_TOP | TA_NOUPDATECP,  /* textAlign */
  39     0,                      /* charExtra */
  40     0,                      /* breakTotalExtra */
  41     0,                      /* breakCount */
  42     0,                      /* breakExtra */
  43     0,                      /* breakRem */
  44     1,                      /* bitsPerPixel */
  45     MM_TEXT,                /* MapMode */
  46     0,                      /* DCOrgX */
  47     0,                      /* DCOrgY */
  48     0,                      /* DCSizeX */
  49     0,                      /* DCSizeY */
  50     0,                      /* CursPosX */
  51     0,                      /* CursPosY */
  52     0,                      /* WndOrgX */
  53     0,                      /* WndOrgY */
  54     1,                      /* WndExtX */
  55     1,                      /* WndExtY */
  56     0,                      /* VportOrgX */
  57     0,                      /* VportOrgY */
  58     1,                      /* VportExtX */
  59     1                       /* VportExtY */
  60 };
  61
  62
  63 #define DC_GET_VAL( func_type, func_name, dc_field ) \
  64 func_type func_name( HDC hdc ) \
  65 { \
  66     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  67     if (!dc) return 0; \
  68     return dc->w.dc_field; \
  69 }
  70
  71 #define DC_GET_X_Y( func_type, func_name, ret_x, ret_y ) \
  72 func_type func_name( HDC hdc ) \
  73 { \
  74     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  75     if (!dc) return 0; \
  76     return MAKELONG( dc->w.ret_x, dc->w.ret_y << 16 ); \
  77 }
  78
  79 #define DC_GET_VAL_EX( func_name, ret_x, ret_y ) \
  80 BOOL func_name( HDC hdc, LPPOINT pt ) \
  81 { \
  82     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  83     if (!dc) return FALSE; \
  84     pt->x = dc->w.ret_x; \
  85     pt->y = dc->w.ret_y; \
  86     return TRUE; \
  87 }
  88
  89 #define DC_SET_VAL( func_type, func_name, dc_field ) \
  90 func_type func_name( HDC hdc, func_type val ) \
  91 { \
  92     func_type prevVal; \
  93     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  94     if (!dc) return 0; \
  95     prevVal = dc->w.dc_field; \
  96     dc->w.dc_field = val; \
  97     return prevVal; \
  98 }
  99
 100 #define DC_SET_MODE( func_name, dc_field, min_val, max_val, meta_func ) \
 101 WORD func_name( HDC hdc, WORD mode ) \
 102 { \
 103     WORD prevMode; \
 104     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
 105     if ((mode < min_val) || (mode > max_val)) return 0; \
 106     if (!dc) { \
 107         dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); \
 108         if (!dc) return 0; \
 109         MF_MetaParam1(dc, meta_func, mode); \
 110         return 1; \
 111     } \
 112     prevMode = dc->w.dc_field; \
 113     dc->w.dc_field = mode; \
 114     return prevMode; \
 115 }
 116
 117
 118 DC_SET_MODE( SetBkMode, backgroundMode, TRANSPARENT, OPAQUE,
 119              META_SETBKMODE )                                     /* GDI.2 */
 120 DC_SET_MODE( SetROP2, ROPmode, R2_BLACK, R2_WHITE, META_SETROP2 ) /* GDI.4 */
 121 DC_SET_MODE( SetRelAbs, relAbsMode, ABSOLUTE, RELATIVE,
 122              META_SETRELABS )                                     /* GDI.5 */
 123 DC_SET_MODE( SetPolyFillMode, polyFillMode, ALTERNATE, WINDING,
 124              META_SETPOLYFILLMODE )                               /* GDI.6 */
 125 DC_SET_MODE( SetStretchBltMode, stretchBltMode,
 126              BLACKONWHITE, COLORONCOLOR, META_SETSTRETCHBLTMODE ) /* GDI.7 */
 127 DC_GET_VAL( COLORREF, GetBkColor, backgroundColor )               /* GDI.75 */
 128 DC_GET_VAL( WORD, GetBkMode, backgroundMode )                     /* GDI.76 */
 129 DC_GET_X_Y( DWORD, GetCurrentPosition, CursPosX, CursPosY )       /* GDI.78 */
 130 DC_GET_VAL( WORD, GetMapMode, MapMode )                           /* GDI.81 */
 131 DC_GET_VAL( WORD, GetPolyFillMode, polyFillMode )                 /* GDI.84 */
 132 DC_GET_VAL( WORD, GetROP2, ROPmode )                              /* GDI.85 */
 133 DC_GET_VAL( WORD, GetRelAbs, relAbsMode )                         /* GDI.86 */
 134 DC_GET_VAL( WORD, GetStretchBltMode, stretchBltMode )             /* GDI.88 */
 135 DC_GET_VAL( COLORREF, GetTextColor, textColor )                   /* GDI.90 */
 136 DC_GET_X_Y( DWORD, GetViewportExt, VportExtX, VportExtY )         /* GDI.94 */
 137 DC_GET_X_Y( DWORD, GetViewportOrg, VportOrgX, VportOrgY )         /* GDI.95 */
 138 DC_GET_X_Y( DWORD, GetWindowExt, WndExtX, WndExtY )               /* GDI.96 */
 139 DC_GET_X_Y( DWORD, GetWindowOrg, WndOrgX, WndOrgY )               /* GDI.97 */
 140 DC_GET_VAL( HRGN, InquireVisRgn, hVisRgn )                        /* GDI.131 */
 141 DC_GET_X_Y( DWORD, GetBrushOrg, brushOrgX, brushOrgY )            /* GDI.149 */
 142 DC_GET_VAL( HRGN, GetClipRgn, hClipRgn )                          /* GDI.173 */
 143 DC_GET_VAL( WORD, GetTextAlign, textAlign )                       /* GDI.345 */
 144 DC_SET_VAL( WORD, SetTextAlign, textAlign )                       /* GDI.346 */
 145 DC_GET_VAL( HFONT, GetCurLogFont, hFont )                         /* GDI.411 */
 146 DC_GET_VAL_EX( GetBrushOrgEx, brushOrgX, brushOrgY )              /* GDI.469 */
 147 DC_GET_VAL_EX( GetCurrentPositionEx, CursPosX, CursPosY )         /* GDI.470 */
 148 DC_GET_VAL_EX( GetViewportExtEx, VportExtX, VportExtY )           /* GDI.472 */
 149 DC_GET_VAL_EX( GetViewportOrgEx, VportOrgX, VportOrgY )           /* GDI.473 */
 150 DC_GET_VAL_EX( GetWindowExtEx, WndExtX, WndExtY )                 /* GDI.474 */
 151 DC_GET_VAL_EX( GetWindowOrgEx, WndOrgX, WndOrgY )                 /* GDI.475 */